In this Article we propose and experimentally demonstrate PCSELs that enable high-power FM with suppressed amplitude modulation (AM) under direct modulation, and we apply these PCSELs to coherent FSO ...
Recently, intelligent reflecting surfaces (IRSs) have emerged as potential candidates for overcoming the line-of-sight issue in 5 G/6 G wireless communication. These IRSs can manipulate the direction ...
Modulation is the act of translating some low-frequency or baseband signal (voice, music, and data) to a higher frequency. Why do we modulate signals? There are at least two reasons: to allow the ...
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